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LPI

101-400 · Question #116

Which of the following commands overwrites the bootloader located on /dev/sda without overwriting the partition table or any data following it?

The correct answer is C. dd if=/dev/zero of=/dev/sda bs=440 count=1. See the full explanation below for the reasoning.

Question

Which of the following commands overwrites the bootloader located on /dev/sda without overwriting the partition table or any data following it?

Options

  • Add if=/dev/zero of=/dev/sda bs=512
  • Bdd if=/dev/zero of=/dev/sda bs=512 count=1
  • Cdd if=/dev/zero of=/dev/sda bs=440 count=1
  • Ddd if=/dev/zero of=/dev/sda bs=440

How the community answered

(24 responses)
  • A
    4% (1)
  • B
    13% (3)
  • C
    79% (19)
  • D
    4% (1)

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